Troubleshooting
Fault |
Reason |
Solution |
Whole screen no display |
a. No AC power supply. |
Check main power cable and |
b. The computer isn't working |
Check the computer |
|
c. Main data cable is broken. |
Reconnect the main data cable |
|
d. Control system is broken. |
Check indicators on sending card and |
|
e. Receiving card is no power. |
Check power cable between receiving |
|
f. Software setting is wrong. |
Correct the software setting to suit the |
|
Whole screen blinking. |
a. Ground wire is broken. |
Connect the ground wire between the |
b. Control system is broken down. |
Change the control system. |
|
c. Some signal of the data cable |
Examine the data cable, reconnect it |
|
d. Refresh rate setting is wrong |
Correct the Refresh rate setting |
|
Module not work |
a. Unit module has no power supply |
Voltage for unit module is 5V. |
b. Flat cable between two modules |
Change the flat cable. |
|
c. 245 IC is broke down. |
Change new 245 IC |
|
part of module works |
Signal of the part is wrong. |
Check the resistance near the 5026 IC |
Rows of module are not |
Corresponding 4953 or 245 IC is |
Examine the corresponding 4953 or 245 IC |
Columns of module are |
Corresponding 5026 IC is not |
Examine 5026IC or change a new one. |
Dots out of control |
Pins or 5026 IC short connected |
Re-soldering the 5026IC or change |
The display texts have |
Data cable or DVI cable connected |
Reconnect main data cable or DVI cable |